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Exploration of thioacetamide molar concentration on the physical properties of chemically deposited tin sulfide thin films

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Abstract

The present study investigates the impact of non-stoichiometric elemental composition on the physical properties of chemically deposited SnS thin films via varying the thioacetamide molar concentration. The GI-XRD and Raman spectra confirmed the occurrence of an orthorhombic SnS phase, and the highest crystallinity was observed in the thin films deposited using a 0.55 M concentration of thioacetamide. The band gap values of 1.63–1.82 eV were obtained for the SnS thin films deposited using various molar concentrations of thioacetamide. The morphological study reveals surface agglomeration for all the samples. Further, The EDS analysis elucidated the non-stoichiometric composition ratio of Sn-poor and S-rich and showed an increase in the elemental percentage of sulfur with an increase in thioacetamide molar concentration. Moreover, the lowest resistivity of 3.6 Ω-cm was observed in the thin film grown using the thioacetamide molar concentration of 0.55 M.

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Acknowledgments

The authors wish to acknowledge the IIT Roorkee and MNIT Jaipur for their invaluable help in providing characterization facilities. They would also like to thank Prof. Beerpal Singh from the Department of Physics at C.C.S. University, Meerut, for his assistance with UV–Vis characterization.

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The authors did not receive support from any organization for the submitted work.

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DJ: conceptualization, methodology, formal analysis, writing—original draft; GJ: supervision and project administration; AP: formal analysis, validation, writing—review & editing; SC and RKS: data curation.

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Correspondence to Anand Pal.

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Jain, D., Jain, G., Pal, A. et al. Exploration of thioacetamide molar concentration on the physical properties of chemically deposited tin sulfide thin films. Journal of Materials Research 39, 388–397 (2024). https://doi.org/10.1557/s43578-023-01232-1

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